Q: What is the sum of all factors of the number 21,161,209 excluding 21,161,209?
A: 1,244,795
The factors of the number 21,161,209 are: 1, 17, 1244777, 21161209.
If you add them up, you will get the total of 21,161,210. Now subtract 21,161,209 to get 1,244,795